Mawer Investment Management Ltd.
Institutional investor · Portfolio as of Q3 2025
Top Holdings110 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
MICROSOFT CORP | 2.6M | $1.4B | 7.1% | $147.67 | +247.82% | 27 qtrssince 2019-Q1 | Decreased 0 |
ALPHABET INC-CL C | 4.2M | $1B | 5.3% | $109.94 | +122.13% | 27 qtrssince 2019-Q1 | Decreased 0 |
AMAZON.COM INC | 4.5M | $985M | 5.1% | $138.39 | +60.54% | 27 qtrssince 2019-Q1 | Increased 70 |
MARSH & MCLENNAN COS | 4.6M | $921.5M | 4.8% | $105.03 | +88.01% | 27 qtrssince 2019-Q1 | Decreased 0 |
AON PLC | 2.5M | $890.8M | 4.6% | $190.73 | +86.47% | 22 qtrssince 2020-Q2 | Decreased 0 |
VISA INC-CLASS A SHARES | 2.4M | $803.2M | 4.2% | $196.89 | +72.01% | 27 qtrssince 2019-Q1 | Increased 65 |
BOOKING HOLDINGS INC | 143,234 | $773.4M | 4.0% | $100.85 | +113.25% | 27 qtrssince 2019-Q1 | Decreased 0 |
AMPHENOL CORP-CL A | 5.9M | $731.4M | 3.8% | $46.51 | +164.64% | 27 qtrssince 2019-Q1 | Decreased 0 |
NORTHROP GRUMMAN CORP | 964,788 | $587.9M | 3.1% | $490.08 | +20.71% | 2 qtrssince 2025-Q2 | Decreased 0 |
FTI CONSULTING INC | 3.3M | $540.8M | 2.8% | $146.35 | +10.19% | 19 qtrssince 2021-Q1 | Decreased 0 |
BERKSHIRE HATHAWAY INC-CL A | 711 | $536.2M | 2.8% | $780,962.24 | -4.05% | 3 qtrssince 2025-Q1 | Decreased 0 |
META PLATFORMS INC-CLASS A | 686,774 | $504.4M | 2.6% | $732.54 | +1.40% | 2 qtrssince 2025-Q2 | Decreased 0 |
WATERS CORP | 1.6M | $465M | 2.4% | $277.46 | +4.31% | 27 qtrssince 2019-Q1 | Increased 87 |
INTERCONTINENTALEXCHANGE GRO COM | 2.5M | $416.5M | 2.2% | $138.96 | +20.53% | 27 qtrssince 2019-Q1 | Increased 86 |
CME GROUP INC | 1.5M | $406M | 2.1% | $210.44 | +28.77% | 27 qtrssince 2019-Q1 | Increased 86 |
CDW CORP/DE | 2.4M | $375.9M | 2.0% | $127.31 | +26.88% | 22 qtrssince 2020-Q2 | Decreased 0 |
JPMORGAN CHASE & CO | 1.2M | $370.4M | 1.9% | $215.75 | +44.96% | 27 qtrssince 2019-Q1 | Decreased 0 |
APTARGROUP INC | 2.8M | $368.8M | 1.9% | $129.54 | +1.64% | 27 qtrssince 2019-Q1 | Increased 78 |
MEDPACE HOLDINGS INC | 646,774 | $332.5M | 1.7% | $312.11 | +60.44% | 3 qtrssince 2025-Q1 | Decreased 0 |
SHELL PLC-ADR | 4.5M | $321.9M | 1.7% | $48.20 | +43.09% | 13 qtrssince 2022-Q3 | Decreased 0 |
Mawer Investment Management Ltd. manages $19.3B across 110 positions as of Q3 2025. Top holdings: MSFT (7.1%), GOOG (5.3%), AMZN (5.1%). Fund DNA: Momentum Trader. HoldingsIntel Rating: 2/5.0.
Active quarter - 7 new positions, 7 exits, 30 increased. Top move: WAT (INCREASED, conviction 87). Portfolio: $19.3B across 110 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
Best and worst performing positions by estimated return
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Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer